Patient interface assembly



FIG. 1 is a perspective view showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of portions of the article is included for thepurpose of illustrating environmental structure and forms no part of theclaimed design.

CLAIM The ornamental design for a patient interface assembly, as shownand described.